[NTG-context] Draw leftframe to a description

[NTG-context] Draw leftframe to a description

[Gerion Entrup]

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Hi,

I want to typeset an "excurses" description that is marked with a leftframe. 
The problem is that it spans about multiple pages and has footnotes.

Here is an MWE:
```
%% -> mwe-framedtext.pdf
\defineframedtext[excursusbg][
	frame=off,
	leftframe=on,
	rulethickness=1mm,
	framecolor=blue,
	toffset=0mm,  % there is an offset anyways
]

%% -> mwe-textbackground.pdf
% \definetextbackground[excursusbg] [
% 	location=text,
% 	background=color,
% 	backgroundcolor=lightblue,
% 	frame=on,
% 	loffset=10cm,  % seems to have no impact
% ]

\definedescription[excursus][
	text={Excursus:\ },
	alternative=top,
	headstyle=bold,
	margin=1cm,
	width=broad,
	before={\startexcursusbg},
	after={\stopexcursusbg},
]

\starttext

\input ward

\startexcursus[title={A Knuth extract}]

\input knuth

\stopexcursus

\input ward

\startexcursus[title={A much longer Knuth extract}]

\input knuth
Sometimes, sentences have footnotes\footnote{Some footnote}.

\input knuth
\input knuth

\stopexcursus

\stoptext
```
See the attached PDFs for the different results.

In principal, I would like the excurses typesetted like to solution with 
\defineframedtext. However, this does not work with pagebreaks.
Additionally, the leftframe is too long (it begins above the "Excursus" text). 
I tried toffset to let the leftframe begin exactly at the "Excurses" text 
without success.

The solution with \textbackground looks somewhat promising. It supports 
pagebreaks, but draws above footnotes and prints a small rectangle at the end 
of the excursus. I also didn't found a way to specify a leftframe only.
Also, loffset seems to have no effect, here.

Do I use the false environments? Do you know a better solution?

Gerion

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___________________________________________________________________________________

[NTG-context] Re: Draw leftframe to a description

[Gerion Entrup]

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Am Montag, 8. Juli 2024, 15:00:30 MESZ schrieb Gerion Entrup:
> Hi,
> 
> I want to typeset an "excurses" description that is marked with a leftframe. 
> The problem is that it spans about multiple pages and has footnotes.
> ...

I just also asked on Stackexchange: https://tex.stackexchange.com/questions/727604/draw-a-multi-page-leftframe-with-e-g-defineframedtext

Gerion


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___________________________________________________________________________________

[NTG-context] Re: Draw leftframe to a description

[ai2472206007]

I'm not sure I understand your needs. 
But if you don't want a background, but just need a border. 
You can try command “startsidebar“ :
https://wiki.contextgarden.net/Command/setupsidebar
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[NTG-context] Re: Draw leftframe to a description

[Gerion Entrup]

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Am Montag, 30. September 2024, 05:58:10 MESZ schrieb ai2472206007@yeah.net:
> I'm not sure I understand your needs. 
> But if you don't want a background, but just need a border. 
> You can try command “startsidebar“ :
> https://wiki.contextgarden.net/Command/setupsidebar

Thank you for that command, it is pretty much that what I want.
In contrast to a textbackground, it seems to be always in the margin of the page.

I tried:
```
\definesidebar[excursussb][
	rulethickness=1mm,
	rulecolor=darkred,
	distance=1mm, % <- this seems to be not respected for text that is narrower
]

\definedescription[excursus][
	text={Excursus:\ },
	alternative=top,
	headstyle=bold,
	width=broad,
	before={\startnarrower\startsidebar[exkursussb]},
	after={\stopsidebar\stopnarrower},
]
```

The more relevant problem, however, is that it does not work with footnotes.
I got exactly the same problems like with textbackground (see the stackexchange post for screenshots).

Gerion


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___________________________________________________________________________________

[NTG-context] Re: Draw leftframe to a description

[Aditya Mahajan]

On Sun, 6 Oct 2024, Gerion Entrup wrote:

> I got exactly the same problems like with textbackground (see the stackexchange post for screenshots).

I had replied to you on stackexachange, but I think that the mailing list is a better place to discuss this, so I am following up here. 

Regarding the footnote, what is happening is that text-background extends to the "end of the page". This is from one of my old files where I had encountered a similar issue:

%D By default, the textbackground extends till the page boundary. This does
%D not look good if a page break occurs when there is not enough material to
%D fit in the page. So, we want to limit textbackground till the typeset
%D material. This has not been interfaced yet, so I use a low level \TEX\
%D command.

\chardef\kindofpagetextareas\plusone


Adding the same works in your example:

\definetextbackground
  [leftbartext]
  [
    location=paragraph,
    mp=mpos:region:leftbar,
    width=broad,
    frame=off,
    framecolor=darkgray,
    rulethickness=2ex,
    leftoffset=5ex,
    rightoffset=2.25ex,
    topoffset=2.25ex,
    bottomoffset=2.25ex,
    background=color,
    backgroundcolor=lightgray,
  ]


\startuseMPgraphic{mpos:region:leftbar}
  draw_multi_pars;
  draw_multi_side;
\stopuseMPgraphic

\definecolor[lightblue]  [0.95(blue,white)]

\definetextbackground
  [blocktext]
  [leftbartext]
  [
    framecolor=darkblue,
    backgroundcolor=lightblue,
  ]

\definedescription
  [excursus]
  [
    text={Excursus},
    alternative=top,
    headstyle=bold,
    margin=1cm,
    width=broad,
    before={\startblocktext},
    after={\stopblocktext},
  ]

\chardef\kindofpagetextareas\plusone


\starttext

\input ward

\startexcursus[title={A Knuth extract}]

\input knuth

\stopexcursus

\input ward

\startexcursus[title={A much longer Knuth extract}]

\input knuth
Sometimes, sentences have footnotes\footnote{Some footnote}.

\input knuth
\input knuth

\stopexcursus

\stoptext


Aditya
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maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
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___________________________________________________________________________________